Flood risk · Killamarsh

Flood risk for Killamarsh

Indicative risk for the kilometre square around the centre, from the Environment Agency’s national flood risk assessment. Always check a specific property address on the official map before buying or building.

River & sea flooding

High

8.6%

Medium

0.1%

Low

2.8%

Very low

8.7%

Surface water flooding

Low

High

1.1%

Medium

0.5%

Low

4.2%

Nearest watercourse

River Rother

A river, 726 m from the centre of Killamarsh

For a property-specific flood risk check, use the official Environment Agency service at check-long-term-flood-risk.service.gov.uk.

Environment Agency National Flood Risk Assessment (NaFRA2, January 2025): the level shown is the highest risk that applies to at least 5% of the 1 km square centred on Killamarsh; bars show each level’s share of that square. Nearest named watercourse from OS Open Rivers. Contains Environment Agency and Ordnance Survey data, Open Government Licence.